Description

Potassium Cobaltinitrite is an inorganic coordination compound primarily recognized for its role as a key analytical reagent. Its importance lies in its specific reactivity, particularly in the qualitative and quantitative determination of potassium ions. This product is essential for laboratories and industries requiring precise analytical methods, such as chemical manufacturing, research institutions, and quality control facilities. The compound's distinct properties make it a critical component in various specialized chemical processes.

Application

• Analytical Chemistry: Primarily used as a specific precipitating agent for the qualitative detection and gravimetric determination of potassium (K⁺) ions in solution.
• Laboratory Reagent: Serves as a standard reagent in analytical kits and for teaching classical inorganic qualitative analysis schemes.
• Pigment and Dye Intermediate: Acts as a precursor in the synthesis of certain cobalt-based pigments and complex inorganic colorants.
• Catalysis Research: Investigated as a precursor or catalyst component in oxidation reactions and other niche catalytic processes.
• Chemical Synthesis: Used in the preparation of other cobalt nitrite complexes and specialized inorganic compounds.
• Educational Demonstrations: Employed in academic settings to demonstrate precipitation reactions and complex ion formation.

Basic Information

Product Name	Potassium Cobaltinitrite
CAS No.	13782-01-9
Molecular Formula	K3[Co(NO2)6]
Molecular Weight	452.26 g/mol
Synonyms	Cobalt Potassium Nitrite; Potassium Hexanitritocobaltate(III); Cobaltinitric Acid, Tripotassium Salt; Tripotassium Hexanitritocobaltate(3-); Fischer's Salt; Potassium Cobaltnitrite
EINECS	237-439-6

Quality Control

Our Potassium Cobaltinitrite is manufactured under controlled conditions to ensure batch-to-batch consistency and reliability for analytical applications. Each lot undergoes rigorous quality testing, including assay, identification, and impurity profiling. A detailed Certificate of Analysis (COA) confirming compliance with our internal specifications is provided with every shipment to guarantee product integrity and performance.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at room temperature (15-25°C). This material is easily oxidized and should be kept away from strong oxidizing agents and incompatible materials.

Specification

Item	Specification
Appearance	Yellow to yellow-brown crystalline powder
Identification (IR)	Conforms
Assay (K3[Co(NO2)6])	≥ 98.0 %
Solubility (in water)	Partially soluble, characteristic precipitate formation
Loss on Drying	≤ 2.0 %

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.